Hi,
Probably this failure is a false detection caused by a floating-point precision error in fast-math. Please ignore the mail. We'll update the test.
I apologize for the false detection.
Dear contributor,
Our automatic CI has detected problems related to your patch(es). Please find some details below.
In tcwg_flang_test/main-aarch64-Ofast-sve_vls-lto-lld, after: | commit llvmorg-22-init-6462-g35b22764e26a | Author: Hassnaa Hamdi hassnaa.hamdi@arm.com | Date: Thu Sep 4 19:31:30 2025 +0100 | | [LV][AArch64] Prefer epilogue with fixed-width over scalable VF. (#155546) | | In case of equal costs Prefer epilogue with fixed-width over scalable VF. | That is helpful in cases like post-LTO vectorization where epilogue with | fixed-width VF can be removed when we eventually know that the trip count | ... 1 lines of the commit log omitted.
Produces 1 regression: | | regressions.sum: | Running test-suite:Fujitsu/Fortran/0136 ... | FAIL: test-suite :: Fujitsu/Fortran/0136/Fujitsu-Fortran-0136_0012.test | # "FAIL" means : the execution of the compiled binary failed / output of the binary differs from the expected one
Used configuration :
- Toolchain : cmake -G Ninja ../llvm/llvm "-DLLVM_ENABLE_PROJECTS=clang;lld;flang;clang-tools-extra" "-DLLVM_ENABLE_RUNTIMES=openmp" -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_ASSERTIONS=True -DCMAKE_INSTALL_PREFIX=../llvm-install "-DLLVM_TARGETS_TO_BUILD=AArch64" -DCLANG_DEFAULT_LINKER=lld
- Testsuite : export LD_LIBRARY_PATH=$\WORKSPACE/llvm-install/lib/aarch64-unknown-linux-gnu${LD_LIBRARY_PATH:+:$\LD_LIBRARY_PATH}
cmake -GNinja -DCMAKE_C_COMPILER="$\WORKSPACE/llvm-install/bin2/clang" -DCMAKE_CXX_COMPILER="$\WORKSPACE/llvm-install/bin2/clang++" -DCMAKE_Fortran_COMPILER="$\WORKSPACE/llvm-install/bin2/flang-new" -DCMAKE_BUILD_TYPE=Release -DCMAKE_C_FLAGS= -DCMAKE_CXX_FLAGS= -DCMAKE_Fortran_FLAGS= -DCMAKE_C_FLAGS_RELEASE="-O3 -ffast-math -march=armv8.4-a+sve -msve-vector-bits=256 -flto -fuse-ld=lld -DNDEBUG" -DCMAKE_CXX_FLAGS_RELEASE="-O3 -ffast-math -march=armv8.4-a+sve -msve-vector-bits=256 -flto -fuse-ld=lld -DNDEBUG" -DCMAKE_Fortran_FLAGS_RELEASE="-O3 -ffast-math -march=armv8.4-a+sve -msve-vector-bits=256 -flto -fuse-ld=lld -DNDEBUG" -DTEST_SUITE_FORTRAN=ON -DTEST_SUITE_SUBDIRS=Fujitsu -DTEST_SUITE_FUJITSU_WITH_FAST_MATH=ON "$\WORKSPACE/test/test-suite"
We track this bug report under https://linaro.atlassian.net/browse/LLVM-2090. Please let us know if you have a fix.
If you have any questions regarding this report, please ask on linaro-toolchain@lists.linaro.org mailing list.
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The information below contains the details of the failures, and the ways to reproduce a debug environment:
You can find the failure logs in *.log.1.xz files in
The full lists of regressions and improvements as well as configure and make commands are in
The list of [ignored] baseline and flaky failures are in
Fujitsu testsuite : https://github.com/fujitsu/compiler-test-suite/
Current build : https://ci.linaro.org/job/tcwg_flang_test--main-aarch64-Ofast-sve_vls-lto-ll... Reference build : https://ci.linaro.org/job/tcwg_flang_test--main-aarch64-Ofast-sve_vls-lto-ll...
Instruction to reproduce the build : https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/llvm/s...
Full commit : https://github.com/llvm/llvm-project/commit/35b22764e26aa02ef3ad849bb449bf7f...
linaro-toolchain@lists.linaro.org
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Takahiro Kawashima (Fujitsu)